M 5.9 in Japan on 07 Oct 2021 13:41 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 5.9M
Depth: 61.97 Km
Lat/Lon: 35.5675 , 140.1064
Event Date: 07 Oct 2021 13:41 UTC
07 Oct 2021 22:41 Local
Exposed Population: 590000 people in MMI
38 million in 100km
Source: NEIC us6000fsl6
Inserted at: 18 Oct 2021 16:16 UTC
INFORM Coping capacity of the alert score: 1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000fsl6 Scaled population (raster) 0.85  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1400800 0 07 Oct 2021 13:41 5.9M, 61.97km 5.78 N/A (in MMI>=VII) 11d 02:35 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Japan ,of Kanto (population 11,941) . The alertlevel for this event is GREEN

Intensity Population
590000 people
18.3 million people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1400800 35.568/140.106 5.9 62.0 5.721 07 Oct 2021 14:00 00:19 (new episode)
2 0 1400800 35.568/140.106 5.9 62.0 5.639 07 Oct 2021 15:46 02:05 (upd of #1)
3 0 1400800 35.577/140.07 5.9 62.0 5.774 08 Oct 2021 13:47 1d 00:06 (upd of #2)
4 0 1400800 35.577/140.07 5.9 62.0 5.775 18 Oct 2021 16:11 11d 02:30 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Kanto Japan 12000 people
Kanto Japan 19.9 million people
Kanto Japan 20.8 million people
Chubu Japan 730000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Kisarazu Chiba Japan City 120000 people 25 km
Goi Chiba Japan Village - 4 km
Chiba Chiba Japan Major city 920000 people 4 km
Funabashi Chiba Japan City 560000 people 18 km
Ushiku Chiba Japan Village - 19 km
Oami Chiba Japan Village - 20 km
Sakura Chiba Japan City 180000 people 20 km
Kamagaya Chiba Japan City 110000 people 23 km
Chonan Chiba Japan Village - 23 km
Ichikawa Chiba Japan City 460000 people 24 km
Mobara Chiba Japan City 96000 people 24 km
Chiba-nyutaun Chiba Japan Village - 24 km
Togane Chiba Japan Village 55000 people 25 km
Naruto Chiba Japan City 22000 people 28 km
Tokyo Tokyo Japan Capital 8.1 million people 28 km
Matsudo Chiba Japan City 460000 people 29 km
Kururi Chiba Japan Village - 31 km
Katakai Chiba Japan City - 31 km
Ichinomiya Chiba Japan Village - 32 km
Ryugasaki Chiba Japan Village 85000 people 33 km
Kimitsu Chiba Japan Village 92000 people 34 km
Hasunuma Chiba Japan Village - 35 km
Abiko Chiba Japan City 130000 people 35 km
Kawasaki Kanagawa Japan Major city 1.3 million people 37 km
Fujioayashi Chiba Japan Village - 38 km
Ryugaski Ibaraki Japan Village - 39 km
Namegawa Chiba Japan Village - 39 km
Yoshikawa Saitama Japan Village 60000 people 43 km
Ushiku Ibaraki Japan Village 79000 people 44 km
Yokohama Kanagawa Japan Major city 3.6 million people 45 km
Obari Ibaraki Japan Village - 46 km
Kansaki Chiba Japan Village - 46 km
Edosaki Ibaraki Japan Village 21000 people 47 km
Noda Chiba Japan City 120000 people 47 km
Koda Ibaraki Japan Village - 49 km
Kamogawa Chiba Japan Village 29000 people 51 km
Yatabe Ibaraki Japan Village - 51 km
Kihara Ibaraki Japan Village - 53 km
Hojubana Saitama Japan Village - 57 km
Katsuyama Chiba Japan Village - 58 km
Omiya Saitama Japan City 440000 people 58 km
Wada Chiba Japan Village - 59 km
Kutsukake Ibaraki Japan Village - 63 km
Sakai Ibaraki Japan Village 26000 people 66 km
Atsugi Kanagawa Japan City 230000 people 68 km
Kuki Saitama Japan Village 72000 people 68 km
Chigasaki Kanagawa Japan City 230000 people 69 km
Konosu Saitama Japan Village 82000 people 71 km
Kurihashi Saitama Japan Village 28000 people 73 km
Narita Chiba Japan City 100000 people 31 km
Yokoshiba Chiba Japan Village - 35 km
Tako Chiba Japan City - 38 km
Ino Chiba Japan Village - 39 km
Ohara Chiba Japan City 20000 people 45 km
Katsuura Chiba Japan Village 22000 people 50 km
Chofu Tokyo Japan City 200000 people 51 km
Yokosuka Kanagawa Japan City 420000 people 52 km
Asahi Yokaichiba Chiba Japan Village - 53 km
Omigawa Chiba Japan City 25000 people 56 km
Idako Ibaraki Japan Village - 57 km
Kamakura Kanagawa Japan City 160000 people 57 km
Itako Ibaraki Japan Village 25000 people 58 km
Hayama Kanagawa Japan Village 31000 people 59 km
Kodaira Tokyo Japan City 190000 people 59 km
Aso Ibaraki Japan Village - 59 km
Yabuhana Kanagawa Japan Village - 60 km
Owada Ibaraki Japan Village - 61 km
Inoue Ibaraki Japan Village - 62 km
Okunoya Ibaraki Japan Village - 63 km
Fujisawa Kanagawa Japan City 390000 people 63 km
Tachikawa Tokyo Japan City 170000 people 64 km
Yoshinuma Ibaraki Japan Village - 65 km
Misaki Kanagawa Japan Village - 65 km
Negoya Ibaraki Japan Village - 65 km
Kashima Ibaraki Japan Village 65000 people 65 km
Hirakata Saitama Japan Village - 65 km
Yatabe Ibaraki Japan Village - 66 km
Hojo Ibaraki Japan Village - 67 km
Yamada Ibaraki Japan Village - 67 km
Choshi Chiba Japan City 84000 people 67 km
Kawagoe Saitama Japan City 330000 people 68 km
Narage Ibaraki Japan Village - 68 km
Tateyama Chiba Japan City 49000 people 69 km
Chikura Chiba Japan City - 69 km
Shimotsuma Ibaraki Japan Village 37000 people 69 km
Inuwaka Chiba Japan Village - 70 km
Fuda Ibaraki Japan Village - 70 km
Ishioka Ibaraki Japan Village 52000 people 70 km
Tamatsukuri Ibaraki Japan Village - 71 km
Hachioji Tokyo Japan City 540000 people 71 km
Tsukuba Ibaraki Japan City 180000 people 71 km
Hamatsuga Ibaraki Japan Village - 72 km
Hiratsuka Kanagawa Japan City 260000 people 73 km
Sunosaki Chiba Japan Village - 73 km
Isehara Kanagawa Japan City 100000 people 75 km
Kakioka Ibaraki Japan Village - 75 km
Morokawa Ibaraki Japan Village - 75 km
Kurogo Ibaraki Japan Village - 76 km
Nemoto Chiba Japan Village - 77 km
Sakado Saitama Japan City 96000 people 77 km
Hanno Saitama Japan City 82000 people 77 km
Katakura Ibaraki Japan Village - 77 km
Sekimoto Ibaraki Japan Village - 77 km
Koga Ibaraki Japan City 57000 people 78 km
Hokota Ibaraki Japan Village 28000 people 80 km
Matsuyama Saitama Japan Village - 82 km
Iwama Ibaraki Japan Village - 82 km
Ninomiya Kanagawa Japan Village 31000 people 82 km
Shimodate Ibaraki Japan City 63000 people 83 km
Kadoi Ibaraki Japan Village - 83 km
Saitama Saitama Japan Major city 1.1 million people 84 km
Okunoya Ibaraki Japan Village - 84 km
Nishi-wada Saitama Japan Village - 84 km
Nagasu Ibaraki Japan Village - 86 km
Tairamachi Ibaraki Japan Village - 87 km
Oyama Tochigi Japan City 150000 people 87 km
Kozu Kanagawa Japan Village - 87 km
Iwase Ibaraki Japan Village 22000 people 88 km
Tomobe Ibaraki Japan Village 37000 people 89 km
Mito Ibaraki Japan Major city 240000 people 90 km
Uenohara Yamanashi Japan Village 25000 people 90 km
Yatagai Tochigi Japan Village - 90 km
Kasama Ibaraki Japan Village 29000 people 91 km
Tatebayashi Gunma Japan Village 81000 people 92 km
Odawara Kanagawa Japan City 200000 people 92 km
Ogawa Saitama Japan Village 37000 people 93 km
Sugisaki Ibaraki Japan Village - 93 km
Kano Kanagawa Japan Village - 95 km
Yamakita Kanagawa Japan Village - 96 km
Moka Tochigi Japan Village 63000 people 97 km
Kaminokawa Tochigi Japan Village 31000 people 98 km
Mashiko Tochigi Japan Village 26000 people 99 km
Tochigi Tochigi Japan Village 81000 people 99 km
Iida Ibaraki Japan Village - 99 km
Manazuru Kanagawa Japan Village - 100 km
Tanuma Tochigi Japan Village 28000 people 100 km
Kumagaya Saitama Japan City 150000 people 101 km
Nakaminato Ibaraki Japan Village 31000 people 102 km
Ashikaga Tochigi Japan City 160000 people 103 km
Sugaya Ibaraki Japan Village - 104 km
Suganuma Shizuoka Japan Village - 104 km
Nanai Tochigi Japan Village - 104 km
Isezaki Gunma Japan City - 104 km
Yugawara Shizuoka Japan Village 27000 people 105 km
Shiriuchi Tochigi Japan Village - 105 km
Otsuki Yamanashi Japan Village 31000 people 106 km
Ishitsuka Ibaraki Japan Village - 107 km
Atami Shizuoka Japan City 40000 people 107 km
Kuzuu Tochigi Japan Village - 108 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Shimoshizu 30 0 11 km
Kisarazu 3 Mil. Paved Yes 6000 26 km
Shimofusa 30 Civ. Paved Yes 7300 27 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 30 km
Ryugasaki South 2 0 36 km
Ryugasaki 2 0 40 km
Yokohama YOK unknown 0 44 km
Chiba-ken 19 0 56 km
Atsugi NJA 62 Mil. Paved Yes 7900 61 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 33 km
26 0 53 km
Chofu 41 Civ. Paved No 3200 54 km
Katsner AAF 109 Civ. Paved No 1900 65 km
Tachikawa 95 0 66 km
Tateyama 3 0 69 km
Honda 12 0 70 km
Iruma 91 Mil. Paved Yes 6500 70 km
Yokota AFB OKO 139 Mil. Paved Yes 11000 71 km
Hyakuri 32 Mil. Paved Yes 8800 74 km
Onishi 20 0 93 km
Shimo Kolzumi 30 0 101 km
Suzumenomiya 82 0 103 km
Utsunomiya QUT 102 Civ. Paved Yes 5500 107 km
Oshima OIM 40 Civ. Paved Yes 3900 111 km
Fuji 686 0 116 km
Nashigahara 1001 0 117 km
29 0 154 km

Ports

Intensity Name LOCODE Country Distance
Chiba JPCHB Japan 4 km
Goi JPGOI Japan 4 km
Anegasaki JPANE Japan 4 km
Katunan Ko Japan 16 km
Kisarazu JPKZU Japan 26 km
Ogasawara JPOGA Japan 31 km
Kawasaki JPKWS Japan 32 km
Yokohama JPYOK Japan 44 km
Tokyo JPTYO Japan 35 km
Neghisi JPNGI Japan 47 km
Katsuura Ko Japan 51 km
Yokosuka JPYOS Japan 51 km
Kurihama JPKRH Japan 55 km
Kashima JPKSM Japan 65 km
Choshi JPCHO Japan 68 km
Tateyama JPTTY Japan 68 km
Hitachi JPHTC Japan 113 km
Oshima JPOSM Japan 114 km
Nii Japan 153 km

Dams

Intensity Reservoir Dam Name River Year Distance
Yamakura Yamakura Yamakuragawa 1964 9 km
Takatakiko Takataki Yorogawa 1990 24 km
Kori Kori Korigawa 1972 35 km
Kameyamako Kameyama Obitsugawa 1980 38 km
Sakuma Sakuma Okuzuregawa 1990 53 km
Miyukiko Gongendochosetsuchi Nakagawa 1991 71 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 57 km
Tamako Murayamashimo Tamagawa 2008 64 km
Tamako Murayamakami Tamagawa 1924 66 km
Sayamako Yamaguchi Tamagawa 2002 67 km
Tsukuiko Shiroyama Sagamigawa 1964 75 km
Miyagaseko Miyagase Nakatsugawa 2001 78 km
Miyazawako Miyazawatameike Koazegawa 1941 78 km
Yanakako Wataraseyusuichi Watarasegawa 1989 80 km
Sagamiko Sagami Sagamigawa 1947 83 km
Naguriko Arima Arimagawa 1985 91 km
Iizumishusuizeki Iizumishusuizeki Sakawagawa 1973 92 km
Ono Ono Yatagawa 1914 95 km
Jajanboike Kozogawa Kozogawa 1985 98 km
Tanzawako Miho Kawauchigawa 1978 98 km
Matsukawako Okuno Itookawa 1989 118 km
Kusakiko Kusaki Watarasegawa 1976 127 km
Narusawako Narusawa Harunashirakawa 1950 139 km
Makabechoseichi Makabe Tonegawa 1928 140 km
Chuzenjiko Chuzenji Daiyagawa 1998 141 km

Nuclear plants

Intensity Name Country Reactors Distance
TOKAI JAPAN 3 109 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.